The A64 at Huttons Ambo, between York and Malton, is currently closed due to a collision. It was reported at 9.51am this morning (23 August)
Emergency services are at the scene and a number of people are being treated for injuries.
However, there are currently long delays and drivers are advised to find an alternative route while the incident is dealt with.
Officers thank people for their patience but are asking anyone who is stuck in tailbacks to remain in their vehicles for their own safety.